<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
<style>
    a{
        text-decoration: none;
    }

    a:link{
        color: black;
    }

    a:visited{
        color: #dd4eff;
    }
    a:hover{
        color: darkorange;
    }
    a:active{
        color: aqua;
    }
</style>

</head>
<body>
<a href="https://www.baidu.com">百度</a>
</body>
</html>